Sig Sauer PMPX3BCHNB MPX Copperhead 9mm Luger 20+1 3.50″ Carbon Steel Barrel w/Integrated Muzzle Brake Elite Series Cerakote Finished Upper Receiver Ambidextrous Controls Black Polymer Grip (No Brace)

The MPX Copperhead features a monolithic Elite Series Cerakote finish upper receiver and a 3.5″ barrel with integrated muzzle brake. The SIG MPX redefines the submachine gun category with a new level of operator safety in-field adaptability and proven reliability in the harshest environments. It features dual-sided selector switch magazine release charging handle and bolt release. The SIG MPX operates from a fully-closed and locked rotating bolt offering enhanced reliability and safety in use. A short-stroke gas piston allows the SIG MPX to run all weights and brands of 9mm ammunition with no adjustments to the gas valve.